gapminder |>
group_by(continent) |>
summarise(avg_pop = mean(pop), avg_gdp_per_cap = mean(gdpPercap)) |>
arrange(avg_gdp_per_cap)# A tibble: 5 × 3
continent avg_pop avg_gdp_per_cap
<fct> <dbl> <dbl>
1 Africa 9916003. 2194.
2 Americas 24504795. 7136.
3 Asia 77038722. 7902.
4 Europe 17169765. 14469.
5 Oceania 8874672. 18622.